A 17-year-old boy came to the emergency room after a road traffic accident with multiple injuries. Upon...

50.1K

Verified Solution

Question

Biology

A 17-year-old boy came to the emergency room after a roadtraffic accident with multiple
injuries. Upon initial check-up, he has multiple lacerations on hischest, head and right
forearm. On examination, he is unable to extend his right arm aswell as forearm. The X-ray of
right arm shows fracture of mid shaft of humerus.
A. Which nerve is mostly likely damaged due to fracture of humerus?(2)
B. Enumerate the muscles in forearm supplied by the involved nerve.(4)
C. Write down the origin, course and termination along withbranches of the involved nerve. (4)

Answer & Explanation Solved by verified expert

4.5 Ratings (982 Votes)

A Radial nerve is mostly likely damaged due to fracture of humerus Nerve injury occurs in approximately 18 of closed midshaft or distal shaft humerus fractures In closed fractures radial nerve injury is most commonly an incomplete neuropraxia rather than a complete laceration of the nerve In open humerus fractures the incidence of radial nerve laceration is much higher at 60 B The radial nerve originates in the brachial plexus and has nerve roots See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member